Part Number Guide

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Part Number Nomenclature
Board Level Products
HI2220P601R-10 (Part number example in BOLD)
HI
Product Series
Code

HI = High Current Chip Beads
(>3,000 mA)
MI = Mid Current Chip Beads
(>1,000 mA to <3,000 mA)
LI = Low Current Chip Beads
(<1,000 mA, <400 W Z)
HZ = High Impedance
Chip Beads
(<1,000 mA, >400 W Z)
HF = High Frequency
Chip Beads
LF = Low Frequency
Chip Beads
HR = High Bias Retention
Chip Beads
(>3,000 mA)
CC = CAN-Bus Common Mode
CM = Common Mode
DI = Power Inductor
DA = Multiline Array Chip
IC = Chip Inductor

2220

P

601

R

-10

Part Size
Code

Rated
Continuous
Current Code

Impedance ( Z )
or Inductance ( L )
Value Code

Packaging
Code

Addtional
Description

0402
0603
0805
1206
1210
1612
1806
1812
1922
2021
2220
2520
2545
2722
3032
3312
3322
3421
3822
4545
4732
5022
5441
6032

A < 100 mA
B = 200 mA
C = 300 mA
D = 400 mA
E = 500 mA
F = 600 mA
G = 700 mA
H = 800 mA
I = 900 mA
J = 1,000 mA
K = 1,500 mA
L = 2,000 mA
M = 2,500 mA
N = 3,000 mA
O = 3,500 mA
P = 4,000 mA
Q = 4,500 mA
R = 5,000 mA
S = 5,500 mA
T = 6,000 mA
U = 7,000 mA
V = 8,000 mA
W = 9,000 mA
X = 10,000 mA
Y = 15,000 mA
Z > 20,000 mA

First two numbers
B = Bulk Standard
are Significant Digits.
Thru-Hole
The last number
Packaging
indicates how many
zeros are added to
R = Tape & Reel
the significant digits
Standard SMT
for impedance.
Package

28 & 29 = Broad
Band Material
35 = Low Frequency
Material

Product Type Code

C = Choke
L = Axial Leaded
Bead
F = Assembled
Part
J = Radial Leaded
Bead

Part Size
Code

Unique Part
Identifier or
Significant
Dimension

www.steward.com
SIP-BRO-PNN-0707

-10 = Lead Free
Standard Catalog
Part
-11 to -99 = Non Standard
or Custom Part

Impedance
Examples
100 = 10 OHMS
101 = 100 OHMS
102 = 1,000 OHMS
202 = 2,000 OHMS
060 = 6 OHMS
600 = 60 OHMS
601 = 600 OHMS
Inductance
Examples
470 = 47 nH
471 = 470 nH
472 = 4,700 nH
473 = 47,000 nH
474 = 470,000 nH
475 = 4,700,000 nH

29F0818-1SR-10 (Part number example in BOLD)
29
F
0818
-1
S
Material Type

00 = Legacy Part
Contains Lead

Minor
Dimension
Code

Height or
Length
Variation

Board Mounting
Style

S = Surface Mount
T = Thru-Hole

R

-10

Packaging Code

Additional Part
Description

O = Bulk Standard
R = Tape & Reel
Standard SMT
Package

-10 = Lead Free
Standard
Catalog
Part
-11 to -99 =
Non Standard or
Custom Part

www.lairdtech.com


Part Number Nomenclature
Ferrite Cable Core Products
28B0250-100 (Part number example in BOLD)
28

B

Material Type

Product Type Code

28 = Broad Band
Material

A = Split round cores
(Snap-Ons)

HF =High Frequency
Material

B = Round Cylindrical
Cores

-1

0

0

Part Size Code

Selected
Dimension
Code

Addtional Part
Description

Additional Part
Description

28 material
is usually
measured in
inches for OD.

R = Ribbon Cable Cores

LF = Low Frequency
Material

0250

Usually
Length

HF & LF
Material OD
& ID is usually
measured in
mm.

S = Split Ribbon Cores

0 = Standard Part

0 = Standard Part

“A” Product Type Code
A = Plastic Case
B = Plastic Case

“A” Product Type Code
0 = White Case
2 = Black Case

“S” Product Type Code
0 = No Clip
M = Metal Clip
P = Plastic Clip
A = Hinged Plastic Case

FERRITE MATERIAL COMPARISON

LF, 28, HF Material Impedance vs Frequency ( 300 KHz - 2 GHz )
Impedance Materials for Cable & Wiring Harness Cores

HF
Impedance ( Z ) in Ohms ( Ω )
0.3

28

LF Low Freqency
28 Broad Band High Performance
HF High Freqency

LF

0.5

1

5

10

50

100

500

1000

2000

Freqency ( MHz )
www.steward.com


www.lairdtech.com
SIP-BRO-PNN-0707



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